F40675-000 is an insulated, black PVC shrink tubing from TE Connectivity (formerly Raychem). This product is designed for use in a variety of general purpose applications, including electrical insulation, strain relief, wire binding, and cable bundling. It has an operating temperature range of -55°C to +135°C, and a shrink ratio of 2:1. The tubing is flame retardant and resistant to most chemicals, solvents and oils.